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Trend Micro OfficeScan 8.0 Policy Server Denial of Service

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Release Date:  2008-02-28    Last Update:  2008-03-28    Views:  10,578

Secunia Advisory SA29151

Where:

From local network

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

No CVE references.

Description


Luigi Auriemma has discovered a vulnerability in Trend Micro OfficeScan, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in PolicyServer.exe and can be exploited to cause the service to terminate via a HTTP request to the cgiABLogon.exe CGI module with a specially crafted, overly long "pwd" parameter. The service then restarts after a few seconds.

Successful exploitation requires that the Trend Micro Policy Server for Cisco NAC is installed.

Other errors e.g. NULL-pointer dereference errors in certain CGI modules when handling HTTP requests containing certain characters or with invalid "Content-Length" headers have also been reported.

The vulnerability is confirmed in version 8.0 with Patch 2 build 1189. Other versions may also be affected.


Solution:
Apply Critical Patch - Build 1242.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Luigi Auriemma

Original Advisory:
Trend Micro:
http://www.trendmicro.com/ftp/documentation/readme/NEW_OSCE_8_0_Win_EN_CriticalPatch_B1242_readme.txt

Luigi Auriemma:
http://aluigi.altervista.org/adv/officescaz-adv.txt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Trend Micro OfficeScan 8.0 Policy Server Denial of Service

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